US3917062A - Mixing container for dental materials - Google Patents
Mixing container for dental materials Download PDFInfo
- Publication number
- US3917062A US3917062A US520162A US52016274A US3917062A US 3917062 A US3917062 A US 3917062A US 520162 A US520162 A US 520162A US 52016274 A US52016274 A US 52016274A US 3917062 A US3917062 A US 3917062A
- Authority
- US
- United States
- Prior art keywords
- receptacle
- cylinder
- housing
- cavity
- keyway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
- A61C5/66—Capsules for filling material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S215/00—Bottles and jars
- Y10S215/08—Mixing
Definitions
- a container for confining premeasured amounts of dental material until mixing of the materials is desired.
- the container has an upper housing and a lower housing which fit together to confine the dental material from each other. When the housings are moved to a predetermined position relative to each other the previously confined materials are allowed to mix.
- MIXING CONTAINER FOR DENTAL MATERIALS BACKGROUND OF THE INVENTION Materials used by dentists to fill cavities have come in premeasured packages to facilitate measuring and combining of the materials in preparation for their use as a filling material. Typically these packages have involved several interacting parts requiring a rather sophisticated method of manufacture and loading. They have also included frangible portions which have to be broken before mixing can ensue. Also, these packages are opaque making it difficult to determine whether the material in the package has been completely dispensed into the mixing area to insure proper mixing of the materials.
- FIG. 1 Another such device is one shown by the US. Patent to Kobernick, No. 3,139,181.
- a three piece device having an upper portion, a lower portion and an insert.
- the lower portion has external threads for engaging internal threads to the upper portion.
- the insert defines a bead which cooperates with a groove in the upper portion for maintaining the insert in the proper position.
- a stem extends upwardly from the insert and rests against the inside of the upper portion to provide support for the insert.
- a slot is provided on the edge of the insert such that mercury can flow from the upper portion into the lower portion when the seal between them is broken. To break the seal, it is necessary to unscrew the lower portion slightly from the upper portion which will provide a gap in the area of the slot allowing the mercury to pass into the lower portion.
- a container for dental materials having an upper housing and a lower housing for receiving materials to be mixed.
- the lower housing has two receptacles with each being configured to receive dental materials independently of the other.
- the upper housing when fitted with the lower housing cooperates with the lower housing to confine the materials contained in each receptacle from each other until the housings are rotated relative to each other to a predetermined position where the materials in one receptacle can pass into the other receptacle.
- FIG. I is an exploded view in perspective of the two housings of the container
- FIG. 2 is a rear elevation of the container when both are in full engagement with a portions cutaway showing the housings in an open disposition;
- FIG. 2a is a partial view of FIG. 2 showing the housings in a closed disposition
- FIG. 3 is a cross-section of the view shown FIG. 2 taken vertically along the lines 33;
- FIG. 4 is a cross-section view of FIG. 2 taken horizontally along lines 44;
- Hg. 5 is a front elevation of the container inverted showing the housings in an open disposition
- FIG. 6 is across-section of the view shown in FIG. 5 showing mixing of the materials in the open disposition
- FIG. 7 is a cross-sectional view of FIG. 5 taken along lines 66, with the dental materials mixed and the housings withdrawn.
- FIG. 1 there is shown a container 1 separated into its two constituent parts, which include an upper housing 2 and a lower housing 3.
- the lower housing 3 is of unitary structure configured to have a first receptacle 4 and a second receptacle 5.
- the first receptacle is a cylinder 6 having inner wall 7 and outer wall 8.
- the bottom of the cylinder 6 is closed at 9 with the top 10 being left open.
- the second receptacle 5 is an annulus 11 formed concentrically about cylinder 6 and located approximately midway between the top 10, and the bottom 9.
- An annulus bottom 12 is part of a flange 13 which extends outwardly the cylinder 6, perpendicular to the other cylinder'wall 8.
- Extending upwardly from flange 13 is circular wall 14 which has inner surface 15 and outer surface 16 both of which are parallel and concentric to the cylinder walls 7, 8. With this configuration the annulus is formed by the outer cylinder wall 8, annulus bottom 12, and the inner circular surface 15. The height of the circular wall 14 is sufficient to retain a given amount of mercury within the annulus 11.
- the second receptacle 5 is loaded by pouring the desired material into the receptacle 4 until mixing is desired.
- ribs 17 Extending outwardly from the outer cylinder walls 8 and connected to flange l3 and cylinder bottom 9 are ribs 17. By providing ribs in this manner structural stability is achieved for both the annulus l l and the cylinder 7 and a gripping surface is also provided for holding and turning the lower housing.
- a slot 19 which is cut out of the open-end and also extends entirely through cylinder walls 7, 8.
- the slot 19, however, is a larger section of the housing cut out from the cylinder 6 as can be seen in FIG. 1.
- the keyway l8 and slot 19 cooperate with upper housing 2, to locate keyway 18 in a predetermined position relative to the upper housing 2.
- the upper housing is cylindrical in shape having a circular female receptacle 20 which is open at end 21 for receiving the cylinder 6 and a closed end 22.
- Female receptacle 20 has a diameter slightly larger than cylinder wall 8 such that when the housings are engaged as shown in FIG. 3 the top 10 of cylinder 6 will be sealed from the annulus 11 but rotation of the cylinder 6 relative the female receptacle can be accomplished.
- an annular area 23 is provided at the lower part of upper housing 3. This annular area is defined by cylinder walls 24 having an internal diameter which is slightly larger than the diameter of the outer surface 16 of circular wall 14 of the lower housing. In this manner when upper and lower housings are engaged, as shown in FIG. 3, the cylinder walls 24 of the upper portion 2 cooperate with outer surface 16 to seal the annulus 11 from the outside while allowing the portions 2, 3 to be rotated relative to each other.
- annular surface 25 which connects open-end 21 of female receptacle 20 to the cylinder walls 24.
- ribs 28 connect the female receptacle to the annular surface 25 to provide structural stability as well as a gripping surface.
- Cavity 26 is formed by the engagement of cylinder 6 with female receptacle 20 and an annular cavity 27 is formed by the engagement of annular area 23 with annulus 11.
- An opening 29 is provided in the upper housing 2 to register with the keyway 18 in the lower portion such that a passage is formed to connect the mixing cavity 26 with the annular cavity 27. However, this passage is not complete until the housings are rotated to a predetermined position relative to one another.
- an extension 30 is placed within the female receptacle 20 approximately 90 from the opening 28 for locating the keyway 18. This extension 30 cooperates with the slot 19 to insure the proper location.
- markings are provided on the exterior of each housing of the container. As shown in FIG. 1, the lower housing has two separate markings to indicate the open and closed positions. A single nipple 33 defines the closed position and a double nipple 34 defines the open position. These markings are registerable with a protrusion 35 shown in FIG. 5, on the upper portion for locating the keyway 18. Thus, when the portions 23 are fully engaged, and the single nipple 33 is aligned with protrusion 35 the cavities 26, 27 are sealed from one another, but when the housings are rotated to a position where the double nipple 34 is 25 and the window 36.
- a window 36 on the exterior of the. upper housing 2. This allows the user to view the area around the opening 29 and determine the disposition of the material in the annular cavity 27.
- the annular surface 25 is sloped toward the opening 29. When the container is inverted, as shown in FIGS. 5, 6 and 7, the slope of the surface 25 will force the material to con-, gregate in the area of the opening 29. This insures proper dispensing of the annular cavity 27 and enhances viewability of the material disposition in the annular cavity 27.
- the lower por tion 3 is arranged as shown in FIG. 1 but in an upright position. Mercury is loaded into the annulus l1 and silver in granulated form is loaded into the cylinder 6. The upper housing 2 is then fully engaged with the lower housing 3. The housings 2, 3 are rotated to a closed position to seal the mixing cavity 26 from the annular cavity 27. When it is desired to mix the materials,
- the housings are rotated to a closed position.
- the container is then put in a shaker to insure good mixing of the silver and mercury.
- the lower housing 2 is simply withdrawn by pulling the housings 2, 3 apart to expose the silver-mercury amalgam for use asfilling material.
- the upper housing 2 is preferably translucent and the lower portion 3 is opaque.
- a color code can be used to indicate various types of mixtures contained in the capsules. In this manner the user, merely at a glance, can determine which capsule contains the proper mixture.
- the container described above is one which is economical to manufacture and provides efficient and accurate mixing. By having a container in which only two housings are needed, and each is of unitary structure,
- a container for dental materials comprising:
- said lower housing having a first receptacle and a second receptacle separated from the first receptacles, said receptacles configured to receive predetermined amounts of dental materials independent of each other such that" loading of the container can be accomplished solely in said lower housing;
- said upper housing having a surface for cooperating with said lower housing to define a closed first cavity with said first receptacle and a closed second cavity with said second receptacle, each cavity being separated from the other;
- said housings defining a passage for connecting the first cavity to the second cavity when one portion is moved to a predetermined position relative to the other portion.
- first receptacle is defined by an elongated cylindrical surface having a top and bottom, the bottom of such surface being closed and the top being open
- second receptacle is defined by an annulus having a bottom and sidewalls concentric with the elongated cylindrical surface.
- annulus further defines inside and outside walls concentric with the cylindrical surface of said lower housing, the annular area having inner and outer walls, the inner walls of the annular area being slightly larger than the outer walls of the upper housing for fitting the inner walls snugly over the outer walls of the annulus to allow relative rotational movement and to seal the constituents within the second cavity.
- the cylindrical member has an inner. and outer wall, the outer wall (having a diameter slightly smaller than the circular female receptacle of the upper housing for fitting the cylindrical member snugly into'the female receptacle allowing the housing to rotate relative to each other and sealing the first cavity from the second cavlty.
- each housing is provided with ribs to enhance gripping and turning of housing relative to each other and to provide structural support for said housing.
- a container for dental materials comprising:
- the lower housing being opaque, the upper housing being translucent, and both being of a unitary structure
- the lower housing having an elongated cylinder closd at the bottom and open at the top such that dental material can be loaded into the cylinder through the top;
- annular member circumscribing the elongated cylinder approximately midway between the top and the bottom of the cylinder, the annular member being defined by a bottom surface extending perpendicular to the cylinder, a circular wall extending parallel to to said elongated cylinder and upwardly from the outer edge of the bottom surface, and the outer wall of said elongated cylinder;
- said cylinder defining at the top thereof a keyway cut out of the inner and outer walls and a slot circumferentially larger than said keyway, also cut out of the top and in communication with the keyway;
- the upper housing defining a cylindrical receptacle for receiving the cylinder of the lower housing, said receptacle being closed at one end and open at the other annular area concentric with said receptacle extending from the upper end thereof;
- said annular area being defined by cylinder wall having an internal diameter slightly larger than the diameter of the outer wall of the cylinder of the lower housing such that the cylinder wall can fit snugly over the outer walls of the annulus and allow rotational movement, and a bottom surface extending from the end of the receptacle connecting the receptacle to the cylinder wall;
- the receptacle having an internal diameter slightly larger than the diameter of the outer wall of the cylinder such that the receptacle can fit snugly over the cylinder wall and rotational movement;
- said cylinder being engageable with said receptacle a op be en ing frO e 'na to that form a mixing cavity defined by the bottom face f the receptaclefo cooperate Whh the 510! h of the receptacle and the cylinder which confines the cyhhder for Stopplhg the Slot at the Open P tion and the closed position; 5 in. said upper housing having a mark in the area of the opening and said lower housing having markings to material therein from the annular area, and said annular cavity for confining material therein from the mixmg y f the outslde; register with the mark on the upper housing to indi- I. said housing being rotatable relative each other for Cate the open and closed position. and
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Package Specialized In Special Use (AREA)
Abstract
Description
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US520162A US3917062A (en) | 1974-11-01 | 1974-11-01 | Mixing container for dental materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US520162A US3917062A (en) | 1974-11-01 | 1974-11-01 | Mixing container for dental materials |
Publications (1)
Publication Number | Publication Date |
---|---|
US3917062A true US3917062A (en) | 1975-11-04 |
Family
ID=24071432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US520162A Expired - Lifetime US3917062A (en) | 1974-11-01 | 1974-11-01 | Mixing container for dental materials |
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US (1) | US3917062A (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074900A (en) * | 1976-11-03 | 1978-02-21 | Weatherford Oil Tool Company, Ltd. | Dental amalgam capsule holder |
US4142629A (en) * | 1977-12-05 | 1979-03-06 | Engelhard Minerals & Chemicals Corporation | Disposable dental capsule |
US4175658A (en) * | 1979-02-08 | 1979-11-27 | Moser Billy G | Disposable dental amalgam capsule |
US4193939A (en) * | 1976-10-28 | 1980-03-18 | Anic S.P.A. | Process for the synthesis of mixed polyimino derivatives of aluminum and alkaline earth metals |
US4197943A (en) * | 1978-08-14 | 1980-04-15 | Weikel Maurice M | Dental alloy container |
FR2470739A1 (en) * | 1979-12-03 | 1981-06-12 | Rimbaud Henri | Capsule containing two separated products for mixing - has one product in capsule and one in external collar closed by flange |
FR2495578A1 (en) * | 1980-12-09 | 1982-06-11 | Szigeti Elemer | DEVICE FOR MIXING AND DISPENSING A PRODUCT WITH TWO CONSTITUENTS |
US4557376A (en) * | 1981-10-02 | 1985-12-10 | Sybron Corporation | Self activating amalgam capsule |
US5509530A (en) * | 1995-07-20 | 1996-04-23 | Wykle Research, Inc. | Compartmentalized dental amalgam mixing capsule |
US5662472A (en) * | 1995-08-18 | 1997-09-02 | Dentsply Gmbh | Hue and lightness identification system for dental products |
US5707234A (en) * | 1995-05-24 | 1998-01-13 | Dentsply G.M.B.H. | Cartridge for dispensing dental material |
EP0976443A1 (en) * | 1998-07-31 | 2000-02-02 | MERCK PATENT GmbH | Process for mixing calcium-phosphate-cements |
US6360886B1 (en) | 2000-03-13 | 2002-03-26 | Kerr Corporation | Capsule for use in preparing a dental amalgam |
US6494611B2 (en) | 2001-01-26 | 2002-12-17 | Howmedica Osteonics Corp. | Apparatus for mixing a liquid and dry powdered components |
US6626912B2 (en) | 2000-11-21 | 2003-09-30 | Stryker Trauma Gmbh | Process for mixing and dispensing a flowable substance |
DE10242984A1 (en) * | 2002-09-17 | 2004-03-25 | Sanatis Gmbh | Arrangement for producing two component mixture comprises two containers, contacting unit, mixing unit and mixing chamber |
US20160281865A1 (en) * | 2015-03-24 | 2016-09-29 | Parker-Hannifin Corporation | Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole |
WO2018049334A3 (en) * | 2016-09-11 | 2018-05-11 | Tulsa Dental Products Llc | System for providing endodontic material using induction heating |
WO2020053246A1 (en) * | 2018-09-12 | 2020-03-19 | Kulzer Gmbh | Mixing capsule, in particular for the field of dentistry |
WO2020053244A1 (en) * | 2018-09-12 | 2020-03-19 | Kulzer Gmbh | Mixing capsule, in particular for the field of dentistry |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527991A (en) * | 1947-11-21 | 1950-10-31 | Alvin A Greenberg | Container |
US3023889A (en) * | 1958-05-05 | 1962-03-06 | Roy E Barr | Apparatus for use in preparing dental amalgams |
US3139181A (en) * | 1961-11-21 | 1964-06-30 | Koberloy Inc | Container of dental alloy |
US3139180A (en) * | 1962-03-20 | 1964-06-30 | Koberloy Inc | Container of dental alloy |
US3344914A (en) * | 1965-10-19 | 1967-10-03 | Dental Design Systems | Mixing capsule |
US3425598A (en) * | 1967-06-14 | 1969-02-04 | Gerald Kobernick | Dispensing container having a membrane puncturing means |
US3451540A (en) * | 1967-12-12 | 1969-06-24 | Pennsalt Chemicals Corp | Disposable mixing capsule |
US3476180A (en) * | 1967-06-30 | 1969-11-04 | Exxon Research Engineering Co | Studded heat exchanger tubes |
US3489306A (en) * | 1967-06-05 | 1970-01-13 | Designa Gmbh | Multi-chambered container |
US3595439A (en) * | 1969-09-09 | 1971-07-27 | Minnesota Mining & Mfg | Combination mixing capsule and dispenser |
US3638918A (en) * | 1970-03-09 | 1972-02-01 | Dental Design Systems | Mixing of substances |
US3655037A (en) * | 1968-09-30 | 1972-04-11 | Maurice G Lussier | Double chambered container |
US3655035A (en) * | 1967-11-23 | 1972-04-11 | Zahn Porzellan Kg E Muehlbauer | Multiplex capsule for dental filling materials |
-
1974
- 1974-11-01 US US520162A patent/US3917062A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527991A (en) * | 1947-11-21 | 1950-10-31 | Alvin A Greenberg | Container |
US3023889A (en) * | 1958-05-05 | 1962-03-06 | Roy E Barr | Apparatus for use in preparing dental amalgams |
US3139181A (en) * | 1961-11-21 | 1964-06-30 | Koberloy Inc | Container of dental alloy |
US3139180A (en) * | 1962-03-20 | 1964-06-30 | Koberloy Inc | Container of dental alloy |
US3344914A (en) * | 1965-10-19 | 1967-10-03 | Dental Design Systems | Mixing capsule |
US3489306A (en) * | 1967-06-05 | 1970-01-13 | Designa Gmbh | Multi-chambered container |
US3425598A (en) * | 1967-06-14 | 1969-02-04 | Gerald Kobernick | Dispensing container having a membrane puncturing means |
US3476180A (en) * | 1967-06-30 | 1969-11-04 | Exxon Research Engineering Co | Studded heat exchanger tubes |
US3655035A (en) * | 1967-11-23 | 1972-04-11 | Zahn Porzellan Kg E Muehlbauer | Multiplex capsule for dental filling materials |
US3451540A (en) * | 1967-12-12 | 1969-06-24 | Pennsalt Chemicals Corp | Disposable mixing capsule |
US3655037A (en) * | 1968-09-30 | 1972-04-11 | Maurice G Lussier | Double chambered container |
US3595439A (en) * | 1969-09-09 | 1971-07-27 | Minnesota Mining & Mfg | Combination mixing capsule and dispenser |
US3638918A (en) * | 1970-03-09 | 1972-02-01 | Dental Design Systems | Mixing of substances |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4193939A (en) * | 1976-10-28 | 1980-03-18 | Anic S.P.A. | Process for the synthesis of mixed polyimino derivatives of aluminum and alkaline earth metals |
US4074900A (en) * | 1976-11-03 | 1978-02-21 | Weatherford Oil Tool Company, Ltd. | Dental amalgam capsule holder |
US4142629A (en) * | 1977-12-05 | 1979-03-06 | Engelhard Minerals & Chemicals Corporation | Disposable dental capsule |
US4197943A (en) * | 1978-08-14 | 1980-04-15 | Weikel Maurice M | Dental alloy container |
US4175658A (en) * | 1979-02-08 | 1979-11-27 | Moser Billy G | Disposable dental amalgam capsule |
FR2470739A1 (en) * | 1979-12-03 | 1981-06-12 | Rimbaud Henri | Capsule containing two separated products for mixing - has one product in capsule and one in external collar closed by flange |
FR2495578A1 (en) * | 1980-12-09 | 1982-06-11 | Szigeti Elemer | DEVICE FOR MIXING AND DISPENSING A PRODUCT WITH TWO CONSTITUENTS |
US4387998A (en) * | 1980-12-09 | 1983-06-14 | Elemer Szigeti | Device for mixing and distributing a two-constituent product |
US4557376A (en) * | 1981-10-02 | 1985-12-10 | Sybron Corporation | Self activating amalgam capsule |
US5707234A (en) * | 1995-05-24 | 1998-01-13 | Dentsply G.M.B.H. | Cartridge for dispensing dental material |
US5509530A (en) * | 1995-07-20 | 1996-04-23 | Wykle Research, Inc. | Compartmentalized dental amalgam mixing capsule |
US5662472A (en) * | 1995-08-18 | 1997-09-02 | Dentsply Gmbh | Hue and lightness identification system for dental products |
EP0976443A1 (en) * | 1998-07-31 | 2000-02-02 | MERCK PATENT GmbH | Process for mixing calcium-phosphate-cements |
JP2000140089A (en) * | 1998-07-31 | 2000-05-23 | Merck Patent Gmbh | Mixing method for calcium phosphate cement |
US6360886B1 (en) | 2000-03-13 | 2002-03-26 | Kerr Corporation | Capsule for use in preparing a dental amalgam |
US6439380B1 (en) | 2000-03-13 | 2002-08-27 | Kerr Corporation | Capsule for use in preparing a dental amalgam |
US6626912B2 (en) | 2000-11-21 | 2003-09-30 | Stryker Trauma Gmbh | Process for mixing and dispensing a flowable substance |
US6494611B2 (en) | 2001-01-26 | 2002-12-17 | Howmedica Osteonics Corp. | Apparatus for mixing a liquid and dry powdered components |
US7018089B2 (en) | 2002-09-17 | 2006-03-28 | Kyphon Inc. | Apparatus and methods for mixing two components |
WO2004026377A1 (en) | 2002-09-17 | 2004-04-01 | Kyphon Inc. | Apparatus and methods for mixing two components |
US20040122359A1 (en) * | 2002-09-17 | 2004-06-24 | Kyphon Inc. | Apparatus and methods for mixing two components |
DE10242984A1 (en) * | 2002-09-17 | 2004-03-25 | Sanatis Gmbh | Arrangement for producing two component mixture comprises two containers, contacting unit, mixing unit and mixing chamber |
DE10242984B4 (en) * | 2002-09-17 | 2010-09-23 | Sanatis Gmbh | Device for producing mixtures of two components |
US20160281865A1 (en) * | 2015-03-24 | 2016-09-29 | Parker-Hannifin Corporation | Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole |
US10012318B2 (en) * | 2015-03-24 | 2018-07-03 | Parker-Hannifin Corporation | Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole |
US10125877B2 (en) | 2015-03-24 | 2018-11-13 | Parker-Hannifin Corporation | Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole |
WO2018049334A3 (en) * | 2016-09-11 | 2018-05-11 | Tulsa Dental Products Llc | System for providing endodontic material using induction heating |
US10881485B2 (en) | 2016-09-11 | 2021-01-05 | Dentsply Sirona Inc. | System for providing endodontic material using induction heating |
WO2020053246A1 (en) * | 2018-09-12 | 2020-03-19 | Kulzer Gmbh | Mixing capsule, in particular for the field of dentistry |
WO2020053244A1 (en) * | 2018-09-12 | 2020-03-19 | Kulzer Gmbh | Mixing capsule, in particular for the field of dentistry |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: STERNDENT CORPORATION, A CORP OF NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. (COPY OF CHANGES OF MAMES ATTACHED).;ASSIGNOR:COOPER DENTAL DEVICES CORPORATION, A CORP OF DE.;REEL/FRAME:004449/0905 Effective date: 19850812 |
|
AS | Assignment |
Owner name: COOPER DENTAL CORPORATION Free format text: MERGER;ASSIGNOR:STERNDENT CORPORATION;REEL/FRAME:004520/0222 Effective date: 19851202 Owner name: COOPER DENTAL DEVICES CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:COOPER DENTAL CORPORATION;REEL/FRAME:004512/0525 Effective date: 19851202 |
|
AS | Assignment |
Owner name: SM METALS INC., A CORP. OF RI., RHODE ISLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:STERN METALS CO., INC., THE;REEL/FRAME:005308/0789 Effective date: 19840629 Owner name: STERN METALS, INC. Free format text: CHANGE OF NAME;ASSIGNOR:SM METALS INC. A R.I. CORP.;REEL/FRAME:005308/0785 Effective date: 19900525 |